CAS 66734-95-0 appears in our catalog under these names: 4-Isobutylcinnamic acid, 95%, 4-Isobutylcinnamic acid, 4-Isobutylcinnamic acid, 99%(GC-MS),RG, 99%(GC-MS),RG. Offered by: Combi-blocks, Biosynth, Chemat. Available pack sizes: 250mg, 1g, 5g, 10g, 25g, 50g, 100mg.